Close your eyes. Think “jeans.” Now open. They were 501s®, right? They’re literally the blueprint for every pair of jeans in existence — burned into the world’s collective cortex ever since Levi Strauss (the man himself!) invented them in 1873. To this day they they’ve never gone out of style- and they never will. These iconic straight fit jeans are cropped for a modern style and feature a button fly. 13.25 OZ Denim.